CN102697533A - Posterior cruciate ligament tibial insertion positioner - Google Patents
Posterior cruciate ligament tibial insertion positioner Download PDFInfo
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- CN102697533A CN102697533A CN2012102150131A CN201210215013A CN102697533A CN 102697533 A CN102697533 A CN 102697533A CN 2012102150131 A CN2012102150131 A CN 2012102150131A CN 201210215013 A CN201210215013 A CN 201210215013A CN 102697533 A CN102697533 A CN 102697533A
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- position fixing
- fixing handle
- cruciate ligament
- posterior cruciate
- crank arm
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Abstract
The invention relates to a posterior cruciate ligament tibial insertion positioner having a good use effect. The posterior cruciate ligament tibial insertion positioner comprises a crank arm, a thick-tip drill and a steel wire guide rod, wherein the upper part of the crank arm is provided with a positioning handle hole, and a positioning handle penetrates in the positioning handle hole; the crank arm and the positioning handle are fixedly connected through a locking nut; the lower part of the crank arm is connected with a drilling guide side block; both side surfaces of the lower end of the crank arm are provided with a dovetail groove concave side, the side surface of one end of the drilling guide side block is provided with a dovetail groove convex side, and the dovetail groove convex side and the dovetail groove concave sides are mutually matched; the drilling guide side block and the crank arm are fixedly connected through a locking nut, the other end of the drilling guide block is provided with a guide hole, and a guide sleeve is arranged in the guide hole; the guide sleeve and the drilling guide side block are fixedly connected through a locking nut, and a sharp-tip drill is arranged in the guide sleeve; and the sharp-tip drill corresponds to the lower part of the positioning handle.
Description
Technical field
The present invention relates to a kind of medical apparatus and instruments, relate in particular to a kind of tibial insertion of posterior cruciate ligament localizer.
Background technology
The tibial insertion of posterior cruciate ligament localizer that uses at present comprises cranks arm, and the top of cranking arm is plugged with position fixing handle, and the bottom of cranking arm is installed with steinman pin; Because the pin end is sharp, the dislocation of skidding easily between steinman pin and the position fixing handle, steel wire penetrates posterior cruciate ligament bone stop place through position fixing handle then; Require to remove ligament stump, the clear visual field in the operating process that this structure is cranked arm, direct-view is derived guiding steel wire with apparatus from the tibia trailing edge down, during operating cost; Relative damage is bigger; This operation is difficult to control the degree of depth that drill bit pierces, and has drill bit to injure the potential danger of rear nervus vasculairs excessively deeply, can not guarantee the handling safety of tibia postartis portion; The localizer anchor point is often higher, is positioned at normal stop front upper place; Operating process relies on operator to keep the position fully in the art, is prone to move, and result of use is poor.
The purpose of this invention is to provide the good tibial insertion of posterior cruciate ligament localizer of a kind of result of use.
Be to realize above-mentioned purpose, the technical scheme that the present invention adopts is: a kind of tibial insertion of posterior cruciate ligament localizer, comprise crank arm, thick head bores and the steel wire guide rod; The upper design of cranking arm has the position fixing handle hole, and cross-under has position fixing handle in the position fixing handle hole, and cranking arm is fixedly connected through locking nut with position fixing handle; It is characterized in that: said bottom of cranking arm is connected with leads the brill lateral mass, and the two sides of the lower end of cranking arm are designed with dovetail geosynclinal concave side, leads an end side surface of boring lateral mass and is designed with dovetail geosynclinal convex side; Dovetail geosynclinal convex side matches with dovetail geosynclinal concave side, leads to be fixedly connected through locking nut between boring lateral mass and cranking arm, and the other end of leading the brill lateral mass has guide hole; Fairlead is installed in the guide hole; Fairlead is fixedly connected through locking nut with leading the brill lateral mass, and tipped drill is housed in the fairlead, and tipped drill is corresponding with the bottom of position fixing handle.
In this structure, crank arm with the plane at position fixing handle place with advance to bore direction and on level, become 15 °～20 ° angles.
In this structure, steinman pin is inserted with steinman pin in the hole.
In this structure, the lower end of position fixing handle is designed with the wide sword of arc.
In this structure, be designed with lightening hole on cranking arm.
Advantageous effect of the present invention is: owing to this structure of the present invention, the knee joint mirror keeps ligament stump ligamentaum cruciatum Reconstruction down, adopts preceding interior, the preceding outer approach of knee joint; Need not to remove tibial insertion of posterior cruciate ligament ligament stump on every side; The synovial membrane sheath that keeps ligament stump periphery is fully set up the tibial bone road, is beneficial to the healing of transplanting tendon, when keeping the ligamentaum cruciatum stump; Not only accurately the location, handling safety; And obviously simplify operative process, and shortening operating time greatly, result of use is good.
Description of drawings
The structural representation of thick for the present invention removes brill of Fig. 1 and steel wire guide rod;
The structural representation that Fig. 2 bores for thick head among the present invention;
Fig. 3 is the structural representation of steel wire guide rod among the present invention.
In the accompanying drawing: 1, position fixing handle hole; 2, position fixing handle; 3, the wide sword of arc; 4, steinman pin; 5, tipped drill; 6, locking nut; 7, fairlead; 8, guide hole; 9, lead the brill lateral mass; 10, dovetail geosynclinal convex side; 11, dovetail geosynclinal concave side; 12, steinman pin hole; 13, lightening hole; 14, crank arm; 15, thick head bores; 16, steel wire guide rod.
The specific embodiment
Below in conjunction with accompanying drawing and specific embodiment the present invention is described further:
The present invention is like Fig. 1,2, shown in 3, a kind of tibial insertion of posterior cruciate ligament localizer, comprise crank arm 14, thick head bores 15 and steel wire guide rod 16; 14 upper design of cranking arm have position fixing handle hole 1, and cross-under has position fixing handle 2 in the position fixing handle hole 1, crank arm 14 to be fixedly connected through locking nut with position fixing handle 2; It is characterized in that: said 14 the bottom of cranking arm is connected with to lead bores lateral mass 9; The crank arm two sides of 14 lower end are designed with dovetail geosynclinal concave side 11, lead an end side surface of boring lateral mass 9 and are designed with dovetail geosynclinal convex side 10, and dovetail geosynclinal convex side 10 matches with dovetail geosynclinal concave side 11; Lead and bore lateral mass 9 and be fixedly connected through locking nut between 14 with cranking arm; Lead the other end of boring lateral mass 9 and have guide hole 8, fairlead 7 is installed in the guide hole 8, fairlead 7 with lead brill lateral mass 9 and be fixedly connected through locking nut 6; Tipped drill 5 is housed in the fairlead 7, and tipped drill 5 is corresponding with the bottom of position fixing handle 2.Position fixing handle is lengthening slightly, and the positioning end camber is circular arc, and elbow changes the wide sword of 10mm arc into, the wide sword of the arc dark baffle plate that exceeds, and there is wide 6mm steel wire passage guide groove the centre; In the present embodiment, crank arm with the plane at position fixing handle place with advance to bore direction and on level, become 15 °～20 ° angles.Make that into the brill direction is vertical as far as possible with surface of bone, be difficult for producing slippage; The tibial bone road is shortened relatively, thereby make length when four strands of Hamses of body are transplanted as tendon, it is unlikely too short that the length of common four strands of Hamses is about 90～130mm; Tibial bone road collar extension is concordant, and unlikely one side of something exposed too much when extruding was followed closely fixedly; When forward and backward ligamentaum cruciatum is rebuild simultaneously, make two bone track pitches from unlikely too near, when being screwed into extrusion screw, easy damaged two bone road Lin Bi have not avoided subsiding of bone road; Lead and bore a relatively side of lateral mass, make things convenient for the assistant to operate; Position fixing handle is lengthening slightly, can guarantee that tibial bone road internal orifice is positioned at posterior cruciate ligament tibia footprint district, accurate positioning; The dark baffle plate of limit of position fixing handle end is more roomy can effectively protect rear nervus vasculairs, handling safety; Having increased stabilising arrangement, that localizer is placed is more stable, makes the smooth tibial plateau trailing edge of the dark baffle plate of limit, easy glide not, and firmly hand-held without the patient, reduce anthropic factor, be beneficial to operation; Position fixing handle and steel wire guide rod are the hollow steel wire guide groove; Both form annular steel wire passage, and steel wire passage thus directly passes outside the knee joint through the tibial bone road, and need not remove the posterior cruciate ligament stump; Avoid unnecessary damage, effectively shortened operating time; Tibial insertion of posterior cruciate ligament localizer apparatus can be general with the anterior cruciate ligament apparatus, reduced number of instruments, makes things convenient in the art and operate.In the present embodiment, be inserted with steinman pin 4 in the steinman pin hole 12.Steinman pin 4 can play the effect of held stationary.In the present embodiment, the lower end of position fixing handle 2 is designed with the wide sword 3 of arc.In the present embodiment, cranking arm is designed with lightening hole 13 on 14, and lightening hole can weight reduction, saves material.
Use the present invention, the stump of the original ligament of interference that can be few as far as possible during arthrocsopic surgery and blood fortune are to keep more blood vessel and nerve, in order to the healing of transplanting tendon.
The posterior cruciate ligament damage is increasing; Its method for reconstructing is updated; The damage of wherein fresh ligamentaum cruciatum adopt keep the ligament stumps from the body tendon grafting; Obtaining good reconstruction effect, to transplant the problems such as healing and revascularization of tendon be to obtain good key of rebuilding effect and rebuild the back.In order to reach this purpose, the stump of the original ligament of interference that should be few as far as possible during arthrocsopic surgery and blood fortune are to keep more blood vessel and nerve, in order to the healing of transplanting tendon.
The patient hands position fixing handle, by inboard mouthful of insertion before the knee joint, places the tibial insertion of posterior cruciate ligament place, leads the brill lateral mass on cranking arm according to suffering from the left and right installation of limb; Left side trouble limb will be led the brill lateral mass and will be installed in the left side of cranking arm, and right side trouble limb will be led the brill lateral mass and is installed in the right side of cranking arm, and connect position fixing handle in the position fixing handle hole on the top of cranking arm, and squeeze into steinman pin through the steinman pin hole then; To stablize the tibial insertion of posterior cruciate ligament localizer,, choose fairlead according to the thickness of transplanting tendon; And be fixed in the guide hole, get tibial tunnel through fairlead with tipped drill, bore again with thick head again tibial tunnel outlet is enlarged and polishes whole; Take off thick head then and bore, penetrate the steel wire guide rod through fairlead, steel wire guide rod front end can touch the wide sword of arc of position fixing handle; Penetrate bifilar steel wire by the steel wire guide rod, outside position fixing handle is piercing in knee joint, and need not to clear up the posterior cruciate ligament stump; Under arthroscope, steel wire is made up tong out by articular cavity, keep steel wire, remove the tibial insertion of posterior cruciate ligament localizer.
Preparation of femur bone road and bifilar draught line method for posting:
1, conventional posterior cruciate ligament femur stop localizer prepares femur bone road.
The Kirschner wire that outside approach will have bifilar No. 5 draught lines before knee joint penetrates between bifilar steel wire in articular cavity, is passed outside the skin by femur bone road.
2,, bifilar No. 5 draught lines are pulled out the tibial bone road by the bifilar steel wire of tibial bone road collar extension tractive.
3, bifilar No. 5 draught lines are purchased and are finished in the femur bone road, articular cavity and the tibial bone road.
4, transplant the tendon implantation process with conventional.
Claims (5)
1. a tibial insertion of posterior cruciate ligament localizer comprises that crank arm (14), thick head bore (15) and steel wire guide rod (16), and (14) upper design of cranking arm has position fixing handle hole (1); The interior cross-under in position fixing handle hole (1) has position fixing handle (2); Crank arm (14) be fixedly connected through locking nut with position fixing handle (2), it is characterized in that: the bottom of said cranking arm (14) is connected with to lead bores lateral mass (9), and the two sides of the lower end of crank arm (14) are designed with dovetail geosynclinal concave side (11); Lead an end side surface of boring lateral mass (9) and be designed with dovetail geosynclinal convex side (10); Dovetail geosynclinal convex side (10) matches with dovetail geosynclinal concave side (11), leads to bore lateral mass (9) and be fixedly connected through locking nut between (14) with cranking arm, and the other end of leading brill lateral mass (9) has guide hole (8); Fairlead (7) is installed in the guide hole (8); Fairlead (7) is fixedly connected through locking nut (6) with leading brill lateral mass (9), and tipped drill (5) is housed in the fairlead (7), and tipped drill (5) is corresponding with the bottom of position fixing handle (2).
2. tibial insertion of posterior cruciate ligament localizer according to claim 1 is characterized in that: described crank arm with the plane at position fixing handle place with advance to bore direction and on level, become 15 °～20 ° angles.
3. tibial insertion of posterior cruciate ligament localizer according to claim 2 is characterized in that: be inserted with steinman pin (4) in the said steinman pin hole (12).
4. tibial insertion of posterior cruciate ligament localizer according to claim 3 is characterized in that: the lower end of described position fixing handle (2) is designed with the wide sword of arc (3).
5. tibial insertion of posterior cruciate ligament localizer according to claim 4 is characterized in that: be designed with lightening hole (13) on described the cranking arm (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210215013.1A CN102697533B (en) | 2012-06-20 | 2012-06-20 | Posterior cruciate ligament tibial insertion positioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210215013.1A CN102697533B (en) | 2012-06-20 | 2012-06-20 | Posterior cruciate ligament tibial insertion positioner |
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| Publication Number | Publication Date |
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| CN102697533A true CN102697533A (en) | 2012-10-03 |
| CN102697533B CN102697533B (en) | 2014-07-30 |
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| CN201210215013.1A Expired - Fee Related CN102697533B (en) | 2012-06-20 | 2012-06-20 | Posterior cruciate ligament tibial insertion positioner |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103610487A (en) * | 2013-11-18 | 2014-03-05 | 张建林 | Positioning device and method of cruciate ligaments after arthroscopic treatment |
| CN107157618A (en) * | 2017-05-26 | 2017-09-15 | 王俊 | Coracoclavicular ligament titanium cable rebuilds the method for reconstructing of guider and coracoclavicular ligament |
| CN108742949A (en) * | 2018-05-22 | 2018-11-06 | 复旦大学附属华山医院 | The isometric reconstruction positioning system of the isometric class of anterior cruciate ligament |
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| US5112337A (en) * | 1991-02-05 | 1992-05-12 | Depuy Du Pont Orthopaedics | Variable angle, selective length tibial drill guide |
| WO1999029237A1 (en) * | 1997-12-05 | 1999-06-17 | Smith & Nephew, Inc. | Guide for positioning a tibial tunnel |
| CN201426740Y (en) * | 2009-06-19 | 2010-03-24 | 南京医科大学附属南京第一医院 | Reconstruction positioner for posterior cruciate ligament of knee joint |
| US20100121447A1 (en) * | 2008-10-10 | 2010-05-13 | Marcus Troger | Method for replacing a ligament in a knee |
| CN201822875U (en) * | 2010-10-14 | 2011-05-11 | 张法忠 | Knee-joint posterior cruciate ligament tibia end positioner |
| CN202682012U (en) * | 2012-06-20 | 2013-01-23 | 王建华 | Tibia stop positioner for posterior cruciate ligament |
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2012
- 2012-06-20 CN CN201210215013.1A patent/CN102697533B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5112337A (en) * | 1991-02-05 | 1992-05-12 | Depuy Du Pont Orthopaedics | Variable angle, selective length tibial drill guide |
| WO1999029237A1 (en) * | 1997-12-05 | 1999-06-17 | Smith & Nephew, Inc. | Guide for positioning a tibial tunnel |
| US20100121447A1 (en) * | 2008-10-10 | 2010-05-13 | Marcus Troger | Method for replacing a ligament in a knee |
| CN201426740Y (en) * | 2009-06-19 | 2010-03-24 | 南京医科大学附属南京第一医院 | Reconstruction positioner for posterior cruciate ligament of knee joint |
| CN201822875U (en) * | 2010-10-14 | 2011-05-11 | 张法忠 | Knee-joint posterior cruciate ligament tibia end positioner |
| CN202682012U (en) * | 2012-06-20 | 2013-01-23 | 王建华 | Tibia stop positioner for posterior cruciate ligament |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103610487A (en) * | 2013-11-18 | 2014-03-05 | 张建林 | Positioning device and method of cruciate ligaments after arthroscopic treatment |
| CN103610487B (en) * | 2013-11-18 | 2016-03-02 | 张建林 | For at the localizer of treated via arthroscope posterior cruciate ligament and localization method |
| CN107157618A (en) * | 2017-05-26 | 2017-09-15 | 王俊 | Coracoclavicular ligament titanium cable rebuilds the method for reconstructing of guider and coracoclavicular ligament |
| CN107157618B (en) * | 2017-05-26 | 2023-09-15 | 王俊 | Coracoid ligament titanium cable reconstruction guide and coracoid ligament reconstruction method |
| CN108742949A (en) * | 2018-05-22 | 2018-11-06 | 复旦大学附属华山医院 | The isometric reconstruction positioning system of the isometric class of anterior cruciate ligament |
| CN108742949B (en) * | 2018-05-22 | 2024-04-02 | 复旦大学附属华山医院 | Equal-length type equal-length reconstruction positioning system for anterior cruciate ligament |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102697533B (en) | 2014-07-30 |
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| ASS | Succession or assignment of patent right |
Owner name: ZHU ZHE Free format text: FORMER OWNER: WANG JIANHUA Effective date: 20140523 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| C53 | Correction of patent of invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhu Zhe Inventor after: Sun Qiming Inventor after: Wang Jianhua Inventor before: Zhu Zhe Inventor before: Wang Cunping Inventor before: Li Yong Inventor before: Man Yuqiang Inventor before: Wang Jianhua |
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| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: ZHU ZHE WANG CUNPING LI YONG MAN YUQIANG WANG JIANHUA TO: ZHU ZHE SUN QIMING WANG JIANHUA |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20140523 Address after: 277100 Department of orthopedics, Zaozhuang municipal hospital, 47 leading Road, Shandong, Zaozhuang, China Applicant after: Zhu Zhe Address before: 277100 Department of orthopedics, Zaozhuang municipal hospital, 47 leading Road, Shandong, Zaozhuang, China Applicant before: Wang Jianhua |
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Granted publication date: 20140730 Termination date: 20150620 |
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